18969975

素因数分解:

$3^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{1429}}^1$

素因数の和:1504

約数の個数: 36

約数和(自身を含む): 34577400

約数和(自身を除く): 15607425

約数列:

[1, 3, 5, 9, 15, 25, 45, 59, 75, 177, 225, 295, 531, 885, 1429, 1475, 2655, 4287, 4425, 7145, 12861, 13275, 21435, 35725, 64305, 84311, 107175, 252933, 321525, 421555, 758799, 1264665, 2107775, 3793995, 6323325, 18969975]

約数ペア:

[(1, 18969975), (3, 6323325), (5, 3793995), (9, 2107775), (15, 1264665), (25, 758799), (45, 421555), (59, 321525), (75, 252933), (177, 107175), (225, 84311), (295, 64305), (531, 35725), (885, 21435), (1429, 13275), (1475, 12861), (2655, 7145), (4287, 4425)]